3964945286 has 8 divisors (see below), whose sum is σ = 6073958880. Its totient is φ = 1940292328.

The previous prime is 3964945277. The next prime is 3964945297. The reversal of 3964945286 is 6825494693.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3964945286² = 31441582241947243592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21090041 + ... + 21090228.

It is an arithmetic number, because the mean of its divisors is an integer number (759244860).

Almost surely, 2^3964945286 is an apocalyptic number.

3964945286 is a deficient number, since it is larger than the sum of its proper divisors (2109013594).

3964945286 is a wasteful number, since it uses less digits than its factorization.

3964945286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42180318.

The product of its digits is 11197440, while the sum is 56.

The square root of 3964945286 is about 62967.8115071502. The cubic root of 3964945286 is about 1582.7502819521.

The spelling of 3964945286 in words is "three billion, nine hundred sixty-four million, nine hundred forty-five thousand, two hundred eighty-six".